S
M
T
W
T
F
S
30
61°
39°
31
62°
44°
1
65°
47°
2
66°
48°
3
65°
46°
4
63°
48°
5
61°
44°
6
65°
43°
7
66°
39°
8
67°
46°
9
69°
45°
10
68°
47°
11
68°
47°
12
67°
46°
13
67°
47°
14
66°
46°
15
62°
47°
16
67°
48°
17
68°
48°
18
66°
47°
19
66°
46°
20
67°
43°
21
63°
43°
22
53°
36°
23
53°
35°
24
54°
38°
25
54°
34°
26
52°
33°
27
50°
35°
28
49°
34°
29
49°
34°
30
48°
32°
1
Hist. Avg.
55°
37°
2
Hist. Avg.
54°
37°
3
Hist. Avg.
54°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kapuskasing
Kapuskasing's September 2026 forecast shows daily high temperatures ranging from 48° to 69°, with overnight lows between 32° and 48°. The average high for September is 61° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Kapuskasing. See also: October | November | December.
